550 FLOHA OF THE LAK'A.MIK (.KnI p. 



f>eqvoia hi/ormis, Lx. Plate XXXI, Fif^s. 7-12. 



/ Point of Koeks, Wyoming; white sandstone bed east of 8t;.tion (Figs. 7, H); 



white marl bed northwest of station (Figs. 9-12). 



MONOCOTYLEDONS. 



Phragmitis Ahtshnia, Heer. Plate XXXII, Figs. 1-.3. 



Unrns's Kaucli, Montana. 



Lemna .scutata, Dawson. Plate XXXIl, Figs. 4, 5. 



■'/ Bnrn,-.'.s Ranch, Montana. 



Sparganium Stygimn, Heer. Plate XXXII, Figs. (», 7. 

 .Seven Mile Creek, Montana. 



DICOTYLEDONS. 



Popuhis gifinrhilifern, Heer. Plate XXXIII, Figs. 1-4. Fig. 3a, enlarged. 



Bnrns's Kauch, Montana. 



Po2>itlus cmieata, Xewby. Plate XXXIII, Figs. .5-11. 



Seven Mile Creek, Montana; Sparnaninm bed (Figs. r)-lilj. Clear Creek, Mon- 

 tana (Fig. 11). 



Populus spedosa, n. sp. Plate XXXIV, Figs. 1-t. 

 Clear Creek, Montana. 



Populus ambli/rhj/nvha, n. sp. Plate XXXIV, Figs. 5-9; Plate XXXV, 

 Figs. 1-G. 

 Seven Mile Creek, Montana; white marl bed. 



Popiilus (laphnogenoides, n. s[). Plate XXXV, Figs. "-!). 



Seven Mile Creek, Montana ; white njar! bed. 

 Popiilus o.vi/rhtincha, n. sp. Plate XXXV, Figs. lo. II. 



Seven Mile Creek, Montana; white marl bed. 



Populus craspedodroma, u. sp. Plate XXXV], Fig. 1. 



Bnrns's Kanch, Montan.-i. 



Populus Whilci, n. sp. Plate XXXVI, Fig. 2. 



Bnrns's Kanch, Montana; collected by Dr. C. A. White in 188"2 and named in 

 his Iioiinr. 



Populus hederoides, n. sp. Plate XXXVI, Fig. 3. 



Seven Mile Creek, Montana; white marl bed. 

 Populus Pichardsoni, Heer. Plate XXXVI, Fig. 4. 



linrns's Ranch, Montana. 



Populus anomald, ii. sp. Plate XXXVI, Fig. 5. 



Bnrns's Ranch, Montana. 

 Populus Oretviopsis, u. sp. Plate XXX S^I, Fig. ii. 



Seven Mile Creek, Montana ; white marl bid. 



1 



Populus uuvqualis, u. sp. Plate XXXVI, Fig. 7. 



Bnrns's Ranch. Montana. 



